Former Chinese mathematics prodigy Liu Zhiyu says he has no regrets about walking away from the field, even after his former Olympiad roommate and rival Deng Yu went on to win the Fields Medal.
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MIT releases world's largest free math Olympiad library with 30,000 problems from 47 countries, territories
The Massachusetts Institute of Technology has released the largest free library of Olympiad-level math problems ever assembled, a collection of more than 30,000 problems and expert-written solutions ...
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